help with my older sister?

[Paige]

ok im 16 and my sister is 24 i live 30 mins away not even and she never talks to em or even puts the effort in.i always comment on her statuses and pictures and she always ignores my comments and everything she always about my mom and her friends and her bf not to sure what is her bond with my brother but better then mine i know for sure.she always comments on everyones photos esp her friends and never mine?i am so tierd of her not putting any effort in to talk to em and im always trying and im givin up.what can i put as a status towrds her but not saying i have family issues only with this one person??so maybe she gets the hint.she texts my mom like almost everyday and when i text her she doesnt respond or responds the next day.how do i block her from seeing my wall on fb??i have the timeline crap and dont know how to work it